NEW YORK (AP) -- Shares of some top medical devices companies are up at noon: Abbott Labs rose $.33 or .6 percent, to $54.92. Allergan unchanged at $59.80. Bard rose $.82 or 1.0 percent, to $83.79. Baxter rose $.83 or 1.5 percent, to $57.77. Boston Scientific rose $.34 or 4.6 percent, to $7.75. Hospira rose $.51 or 1.0 percent, to $51.41. Johnson & Johnson rose $.47 or .7 percent, to $64.08 ...